AS16857 CENTEX - Central Texas Telecommunications
πΊπΈARINassigned
Announced Prefixes (BGP)
29total
29 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)15,360
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
πΊπΈ USRIR
ARINStatus
assigned
Allocated
2000-06-20
Routing hygiene
Score 41/100 Β· Medium riskRPKI ROA coverage
3.4%
no RPKI invalid prefixes
IRR route objects
96.6%
1 prefix registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
5
diversity 52/100
- 97% of announced prefixes (28 of 29) have no valid ROA
- 1 prefix registered in IRR route objects for another active network and not authorized by a ROA
Based on 29 announced prefixes, updated daily (2026-10-23). How the score works Β· RPKI explained
Announced Prefixes
(BGP)29|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | ARIN | 2026-10-26 | |
| No ROA | ARIN | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | ARIN | 2026-10-26 | |
| No ROA | ARIN | 2026-10-26 | |
| No ROA | ARIN | 2026-10-26 | |
| No ROA | ARIN | 2026-10-26 | |
| Valid | ARIN | 2026-10-26 | |
| No ROA | ARINOther IRR | 2026-10-26 | |
69.7.82.0/24MOAS | No ROA | ARIN | 2026-10-26 |
1-10 of 29
1 / 3
All 29 announced prefixes of AS16857 β
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS36658 | πΊπΈANGELOASPRIME - Angelo State University |
BGP Neighbours
(seen in AS paths)Upstreams (5)
Networks AS16857 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (1)
Networks whose own prefixes AS16857 passes on: usually its customers.
- AS36658Angelo State University4
Other adjacent networks (1)
Adjacent to AS16857 in the transit part of AS paths: peers, providers or customers.
- AS18618West Central Wireless2
Transfer History
Registry transfers of AS16857 between organisations.
- AS16857M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| AS16857 | Central Texas Communications | Central Texas Telecommunications | M&A |
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/16857Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/16857" | jq